CN1310126C - 基于摄影机的触摸系统 - Google Patents

基于摄影机的触摸系统 Download PDF

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Publication number
CN1310126C
CN1310126C CNB018123600A CN01812360A CN1310126C CN 1310126 C CN1310126 C CN 1310126C CN B018123600 A CNB018123600 A CN B018123600A CN 01812360 A CN01812360 A CN 01812360A CN 1310126 C CN1310126 C CN 1310126C
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China
Prior art keywords
touch
indicator
digital camera
signal processor
image
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Expired - Fee Related
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CNB018123600A
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English (en)
Chinese (zh)
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CN1440539A (zh
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杰拉尔德·莫里森
戴维·霍姆格伦
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Smart Technologies ULC
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Smart Technologies ULC
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Priority claimed from US09/610,481 external-priority patent/US6803906B1/en
Application filed by Smart Technologies ULC filed Critical Smart Technologies ULC
Publication of CN1440539A publication Critical patent/CN1440539A/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Position Input By Displaying (AREA)
  • User Interface Of Digital Computer (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
CNB018123600A 2000-07-05 2001-07-05 基于摄影机的触摸系统 Expired - Fee Related CN1310126C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/610,481 2000-07-05
US09/610,481 US6803906B1 (en) 2000-07-05 2000-07-05 Passive touch system and method of detecting user input
US29461101P 2001-06-01 2001-06-01
US60/294,611 2001-06-01

Publications (2)

Publication Number Publication Date
CN1440539A CN1440539A (zh) 2003-09-03
CN1310126C true CN1310126C (zh) 2007-04-11

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CNB018123600A Expired - Fee Related CN1310126C (zh) 2000-07-05 2001-07-05 基于摄影机的触摸系统

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US (2) US7692625B2 (fr)
EP (3) EP1739528B1 (fr)
JP (1) JP5042437B2 (fr)
CN (1) CN1310126C (fr)
AT (3) ATE453147T1 (fr)
AU (1) AU2001272250A1 (fr)
CA (1) CA2412878C (fr)
DE (3) DE60140909D1 (fr)
ES (4) ES2279823T3 (fr)
WO (1) WO2002003316A1 (fr)

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US20100188370A1 (en) 2010-07-29
DE60124549D1 (de) 2006-12-28
JP5042437B2 (ja) 2012-10-03
ES2435248T3 (es) 2013-12-17
EP1297488A1 (fr) 2003-04-02
US20050077452A1 (en) 2005-04-14
EP1739528A1 (fr) 2007-01-03
US7692625B2 (en) 2010-04-06
DE60140909D1 (de) 2010-02-04
ATE345525T1 (de) 2006-12-15
ATE490501T1 (de) 2010-12-15
WO2002003316A1 (fr) 2002-01-10
US9176627B2 (en) 2015-11-03
ES2396587T3 (es) 2013-02-22
EP1739528B1 (fr) 2009-12-23
CN1440539A (zh) 2003-09-03
EP1297488B1 (fr) 2006-11-15

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